Martin "kokesak" Litwora

[RHELC-1303] Enhance exit code testing

22

This PR fixes exit code asserts in the integration tests. Also adds one new integration test case with broken rollback scenario. Jira Issues: - [RHELC-1303](https://issues.redhat.com/browse/RHELC-1303) - [RHELC-1301](https://issues.redhat.com/browse/RHELC-1301) Checklist - [...

snactor run fails when producing non utf-8 character

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**Actual behavior** Snactor run fails when actor produce non UTF-8 character. **To Reproduce** Create new actor which uses external command (eg. printf) to create non UTF-8 characeter. See error ```...